Home
Class 10
MATHS
In an AP, if a = 1, a(n)= 20 and S(n) = ...

In an AP, if a = 1, `a_(n)`= 20 and `S_(n)` = 399, then n is equal to

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER SELF ASSESSMENT 11

    EDUCART PUBLICATION|Exercise Section (iv)|13 Videos

  • SAMPLE PAPER SELF ASSESSMENT 11

    EDUCART PUBLICATION|Exercise Section (ii)|20 Videos

  • SAMPLE PAPER 9 (SELF-ASSESSMENT)

    EDUCART PUBLICATION|Exercise Section-C (Case Study Based Questions)|10 Videos

  • SAMPLE PAPER SOLVED 10

    EDUCART PUBLICATION|Exercise PART - B ( SECTION - V ) |5 Videos